木材采运系统物质流与能量流模式的分析
赵尘1,王大明1,张正雄2
Analysis of material flow and energy flow in forest logging system
ZHAO Chen1, WANG Da-ming1, ZHANG Zheng-xiong2
南京林业大学学报(自然科学版) . 2008, (05): 37 -40 .  DOI: 10.3969/j.jssn.1000-2006.2008.05.007